FAQ

Popular Questions

We’ve gathered answers to the most common questions about our courses below. If you don’t see what you’re looking for, you’re always welcome to reach out to us directly. As part of your course, you’ll also gain access to our exclusive Jar by Jar Community—a supportive space to ask questions, share your wins, and get feedback along the way.

Water bath canning is used for high-acid foods like fruit, jams, and sauces, while pressure canning is needed for low-acid foods like vegetables, meats, and broth. In the course, we clearly explain when to use each method — and why it matters for safety.

Not at all. We show you how to start with just the essentials – many of which you may already have at home. You’ll also get honest advice on what’s worth investing in and what you can skip.

Yes! While Katherine teaches from New Zealand, all the techniques are based on internationally recognised standards (like USDA guidelines), and are applicable no matter where you live.


Yes, you absolutely can. These courses are made for beginners — even if you’ve never picked up a preserving jar or pressure canner before. You’ll get the support, structure, and confidence to start right where you are. And you won’t be doing it alone — we offer email support if you get stuck, plus access to our active Facebook community where you can ask questions, share your progress, and learn alongside others.

Our courses are perfect for beginners, as well as anyone who wants to build confidence and feel reassured that they’ve been doing things right. We cover the foundations of preserving—step by step—so you can follow along with ease. And with Katherine’s 45 years+ of hands-on preserving experience guiding you, you’ll be learning from someone who’s truly been there and learnt a lot along the way!

We understand! Many beginners are nervous about safety, especially when it comes to botulism or spoilage. That’s why both courses focus heavily on safe, proven methods and include clear steps so you know exactly what to do — and what not to.

We accept all major credit and debit cards, as well as PayPal. Your payment is processed securely at checkout, and once complete, you’ll get immediate access to the course.

You’ll have lifetime access to all lessons, resources, and updates. So whether you want to follow along now or come back during preserving season, the course is always here for you.

Yes! Alongside the course, you’ll have access to our exclusive Jar by Jar Facebook Community – a supportive space where you can ask questions, get feedback, and share your preserving wins. You’re also welcome to reach out to us directly if you ever need a hand.

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